This package provides the HP Notebook Best Buy Connection Manager Software for the supported notebook models and operating systems. The HP Notebook Best Buy Connection Manager Software provides support for Mobile Internet modules. Supported devices are as follows: HP un2420 Mobile Broadband Module Network Device, HP un2420 Mobile Broadband Network Module. Operating Systems: Microsoft Windows 7 Enterprise 32 Edition Microsoft Windows 7 Enterprise 64 Edition Microsoft Windows 7 Home Basic 32 Edition Microsoft Windows 7 Home Basic 64 Edition Microsoft Windows 7 Home Premium 32 Edition Microsoft Windows 7 Home Premium 64 Edition Microsoft Windows 7 Professional 32 Edition Microsoft Windows 7 Professional 64 Edition Microsoft Windows 7 Starter 32 Edition Microsoft Windows 7 Ultimate 32 Edition Microsoft Windows 7 Ultimate 64 Edition Prerequisites: - Make sure the HP Connection Manager Software is not installed before installing the Best Buy Connection Manager. The software will not function correctly if both are installed.